<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Vue 模板</title>
  <script src="https://cdn.bootcss.com/vue/2.6.11/vue.min.js"></script>
  <style>
    .box {
      border: 1px solid red;
      margin-bottom: 50px;
      padding-bottom: 20px;
      padding-left: 10px;
    }
    .tip {
      color: red;
    }
  </style>
</head>
<body>
  <!-- 主控区域 -->
  <div id="app">
    {{msg}}
  </div>
  
  <script>
    var vue = new Vue({
      el: "#app",
      data: {
        msg: "Hello, World"
      }
    })
  </script>
</body>
</html>